The main objective is development and demonstration of semi-island energy system. The solution includes dimensioned energy components, business model supporting the end user engagement in energy consumption, predictive system regulation, connection with dynamic energy pricing and shifting of end users´ energy consumption. The project leads to meaningful use of renewable energy sources in direct connection to the end-user and to the decrease of energy costs for future users/owners of buildings in the system, hence to lowering the impact on the environment. The main objectives are to be achieved within 3 year since the beginning of the project.